Collection:
Cylinders & Pistons
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Windshields & Luggage
+.010in. Forged 89ci Stroker Pistons. Fits Evolution Big Twin 1984-1999 with S&S 4-5/8in. Stroker Flywheel
Regular price
$1,231.99
Sale price
$1,231.99
Regular price
Unit price
/per
These forged 3-1/2″ bore stroker pistons for 1984-’99 HD® Evolution® big twin engines are required for the S&S 89″ 4-5/8″ stroker flywheels. Pistons are designed to be used with stock cylinder...
Std Pistons with 11.4:1 Compression Ratio. Fits Milwaukee-Eight 2017up with Big Bore 107ci to 124ci 4.250in. Cylinders.
Regular price
$1,136.99
Sale price
$1,136.99
Regular price
Unit price
/per
Features & Benefits:-
* Super Duty KB Forged Coated Anodized Piston Kit.
* 107ci to Big bore 124″ piston kit for Milwaukee 8 when using 4.250″ Bore Cylinders
* No head modification required
...
Std Pistons with 11.7:1 Compression Ratio. Fits Milwaukee-Eight 2017up with Big Bore 114 or 117ci to 128ci 4.250in. Cylinders.
Regular price
$1,136.99
Sale price
$1,136.99
Regular price
Unit price
/per
Features & Benefits:-
* Super Duty KB Forged Coated Anodized Piston Kit.
* 114 or 117ci to Big bore 128″ piston kit for Milwaukee 8 when using 4.250″ Bore Cylinders
* No head modification req...
Cylinder Base Studs. Fits Evo 1985-1999.
Regular price
$274.99
Sale price
$274.99
Regular price
Unit price
/per
Cylinder Stud kit, 3/8-16 x 6.680″, 8 pack.
Fits 1984-1999 V-Series engines with less than 4″ bore.
* Replaces OEM # 16837-85
MFR PART No: 31-2321
ROLLIES PART No: SS31-2321
Cylinder Stud Set. Fits Twin Cam 1999-2017.
Regular price
$274.99
Sale price
$274.99
Regular price
Unit price
/per
* Cylinder Stud kit, 3/8-16 x 6.070″, 8 pack.
* Replaces OEM # 16834-99
MFR PART No: 31-2340
ROLLIES PART No: SS31-2340
Std Pistons with 10.25:1 Compression Ratio. Fits Big Twin 1999-2006 with 88ci to 95ci Big Bore Twin Cam Engine.
Regular price
$1,097.99
Sale price
$1,097.99
Regular price
Unit price
/per
Features & Benefits:-
* ID # 6442
* Bore = 3.875″
* Stroke = 4.000″
* Fully CNC machined
* Balanced to +/- 1 gram
* Double forced pin oilers
* Forged from high strength 2618 alloy
* Designed f...
Std Pistons with 10.25:1 Compression Ratio. Fits Big Twin 1999-2006 with 88ci to 98ci Big Bore Twin Cam Engine.
Regular price
$1,098.99
Sale price
$1,098.99
Regular price
Unit price
/per
Features & Benefits:-
* Bore = 3.937″
* Stroke = 4.000″
* Fully CNC machined
* Balanced to +/- 1 gram
* Double forced pin oilers
* Forged from high strength 2618 alloy
* Designed for maximum p...
Std Pistons with 10.0:1 Compression Ratio. Fits Big Twin 1999-2006 with 88ci to 98ci Big Bore Twin Cam Engine.
Regular price
$1,098.99
Sale price
$1,098.99
Regular price
Unit price
/per
Features & Benefits:-
* Bore = 3.937″
* Stroke = 4.000″
* Fully CNC machined
* Balanced to +/- 1 gram
* Double forced pin oilers
* Forged from high strength 2618 alloy
* Designed for maximum p...
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